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Star trails over Smiths Falls

Fiona M. Donnelly captured this image on October 21. 2017, in Smiths Falls, Ontario. She wrote, “Our Earth’s rotation during a one-hour period.”

Image via Fiona M. Donnelly.

When a camera captures a star’s movement across the sky, it’s called a star trail. An astrophotographer explains how to capture great images of star trails here.

Eleanor Imster

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